// GenericsNote: Converted.
/*
 *  Copyright 2001-2004 The Apache Software Foundation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.apache.commons.collections15.functors;

import org.apache.commons.collections15.Predicate;

/**
 * Predicate implementation that always returns false.
 *
 * @author Matt Hall, John Watkinson, Stephen Colebourne
 * @version $Revision: 1.1 $ $Date: 2005/10/11 17:05:24 $
 * @since Commons Collections 3.0
 */
public final class FalsePredicate<T> implements Predicate<T> {

	/**
	 * Serial version UID
	 */
	static final long serialVersionUID = 7533784454832764388L;

	/**
	 * Singleton predicate instance
	 */
	public static final Predicate INSTANCE = new FalsePredicate();

	/**
	 * Factory returning the singleton instance.
	 *
	 * @return the singleton instance
	 * @since Commons Collections 3.1
	 */
	public static <T> Predicate<T> getInstance() {
		return INSTANCE;
	}

	/**
	 * Restricted constructor.
	 */
	private FalsePredicate() {
		super();
	}

	/**
	 * Evaluates the predicate returning false always.
	 *
	 * @param object
	 *            the input object
	 * @return false always
	 */
	@Override
	public boolean evaluate(T object) {
		return false;
	}

}
